7-2
Key Operation or
Remote Control Error
Voltage on the Function Display Ass’y?
Check RM701 (Remocon module)
and IC601 (Pin 5)
Check power of front connector
(CN704 Pin 11)
Check the circuit around the clock
Check the circuit around
IC601 reset
Change IC701
NO
Key operation such
as STOP,PLAY,OPEN
Check the circuit around the swith.
check the condition of commmunication
with Main Micom
(IC601 83~86, VFD STB, CLOCK
DATA-IN,DATA-OUT)
NO
YES
Check the circuit
around IC601 reset?
NO
YES
XT601 14.318MHz
oscillation
NO
YES
YES
STOP,PLAY,OPEN
Key operation are
normal?
YES
Summary of Contents for RDR-VX521
Page 64: ...2 22 2 22E MEMO ...
Page 66: ...3 4E MEMO ...
Page 68: ...4 1 VCR Main PCB 4 4 4 3 COMPONENT SIDE ...
Page 69: ...4 6 4 5 CONDUCTOR SIDE ...
Page 70: ...4 8 4 7 4 2 DVD Jack Main PCB COMPONENT SIDE ...
Page 71: ...4 10 4 9 CONDUCTOR SIDE ...
Page 73: ...4 14 4 13 4 5 Function Timer PCB COMPONENT SIDE CONDUCTOR SIDE ...
Page 74: ...4 16E MEMO ...
Page 76: ...5 4 5 3 5 1 S M P S VCR Main PCB ...
Page 77: ...5 6 5 5 5 2 Power VCR Main PCB ...
Page 78: ...5 8 5 7 5 3 Logic VCR Main PCB ...
Page 79: ...5 10 5 9 5 4 A V VCR Main PCB ...
Page 80: ...5 12 5 11 5 5 Hi Fi VCR Main PCB ...
Page 81: ...5 14 5 13 5 6 Function Timer Function Timer PCB ...
Page 82: ...5 16 5 15 5 7 Encoder DVD Jack Main PCB ...
Page 83: ...5 18 5 17 5 8 Decoder DVD Jack Main PCB ...
Page 84: ...5 20 5 19 5 9 Video Decoder and Connector DVD Jack Main PCB ...
Page 85: ...5 22 5 21 5 10 DV Interface and 1394 Connector DVD Jack Main PCB ...
Page 86: ...5 24E 5 23 5 11 Component Super Out Front Jack PCB ...
Page 130: ...7 34E MEMO ...